Sinn Féin’s moral compass - Marching to a different, toxic drum

Sinn Féin makes it so easy to criticise their behaviour that it might just be prudent to wonder if some Machiavellian strategy is in play.
It might be adding two and two to get 35, but could it be that the party has decided — like a rugby player happy to concede a three-point penalty to avert a seven-point try — that the kind of establishment criticism their routine mishaps, calculated or otherwise, provoke might make their party seem credible to those disenchanted by traditional politics?